Ayodele Ajayi

Ayodele Ajayi

Principal Engineer & Technology Leader

Hey There 👋

I'm an accomplished Principal Engineer and Technology Leader based in Kent, United Kingdom, with over a decade of executive-level experience delivering transformative cloud infrastructure, automation, and security solutions. My expertise lies in developing high-performance, scalable systems across government and private sectors, with a proven track record of strategic leadership and organizational impact. I excel at bridging technical excellence with business objectives through:

  • •Leading cross-functional engineering teams and implementing strategic DevOps practices that drive organizational transformation
  • •Architecting secure, scalable cloud solutions and implementing robust CI/CD pipelines and infrastructure as code
  • •Facilitating technical growth through mentoring, documentation, and knowledge sharing as a technical leader
  • •Driving technology innovation and strategic initiatives while maintaining operational excellence and enterprise-grade security compliance

Key Achievements

Team Leadership

Successfully led and mentored multiple engineering teams, implementing Agile methodologies and fostering a culture of continuous improvement and innovation.

Technical Excellence

Architected and implemented robust cloud solutions, achieving 99.9% uptime and significant improvements in deployment efficiency and security compliance.

Professional Experience

Principal Engineer

Solirius Reply • November 2023 - PresentCurrent
  • • Championed DevOps transformation strategy at the Home Office, implementing infrastructure automation and configuration management that enhanced security compliance by 100% and reduced manual deployment errors by 85%
  • • Architected SSL implementations and enterprise directory services integration with containerisation technologies, achieving 40% reduction in deployment times and 99.95% system availability
  • • Orchestrated deployment strategy migration to Azure DevOps and Adobe Cloud using Adobe Pipelines APIs, resulting in 50% faster release cycles and automated authentication workflows
  • • Deployed Dependabot automation for dependency management, reducing security vulnerabilities by 90% and maintaining 100% up-to-date package dependencies across 20+ repositories
  • • Engineered comprehensive automated testing framework using Selenium and Azure Test Plans, achieving 95% test coverage and reducing regression issues by 75%
  • • Optimised infrastructure monitoring with Azure Monitor and integrated OWASP security testing, improving incident detection time by 60% and achieving zero security breaches

Senior DevSecOps Engineer

Vault Platform • July 2022 - December 2023
  • • Designed and deployed scalable AWS solutions, achieving 99.9% uptime using Kubernetes
  • • Implemented infrastructure as code using Terraform, reducing deployment time by 40%
  • • Managed Azure Kubernetes services, ensuring 99.95% uptime and 100% security compliance
  • • Set up AWS organisation and multiple accounts for different environments
  • • Established AWS VPN client connection authenticated with SSO and implemented guardrails and CloudWatch alarms
  • • Configured no-trust setups for optimum security and managed Cloudflare DNS for emails
  • • Set up Slack notifications for anomalies and integrated Datadog for comprehensive monitoring
  • • Optimised CI/CD pipelines in CircleCI and GitHub Actions, and implemented TFSec and Terraform modularisation
  • • Deployed and managed containers in ECS, ensuring all deployments were secure and automated
  • • Mentored junior DevOps engineers, fostering professional growth and skill development

Senior DevOps Consultant

ContainerCode Club • July 2019 - PresentOngoing
  • • Provided DevOps consultancy services for various clients, leveraging extensive experience with AWS and Azure
  • • Designed and implemented scalable, secure cloud architectures using AWS and Azure, achieving high availability and reliability
  • • Developed and optimised CI/CD pipelines using Jenkins, GitLab CI/CD, Azure DevOps, and GitHub Actions
  • • Automated infrastructure provisioning and management with Terraform and Ansible, reducing manual effort and increasing deployment speed by 50%
  • • Set up containerised environments using Kubernetes and Docker, ensuring efficient orchestration and management of microservices
  • • Integrated monitoring and logging solutions using Prometheus, Grafana, ELK stack, and Datadog to enhance visibility and troubleshooting
  • • Implemented robust security measures, including IAM policies, VPC configurations, and automated compliance checks with TFSec
  • • Collaborated with development teams to streamline workflows and improve application performance and stability
  • • Conducted training sessions and workshops to upskill client teams on best DevOps practices and tools
  • • Managed multiple projects simultaneously, ensuring timely delivery and client satisfaction

Lead DevOps Engineer

eConsult Health • October 2021 - June 2022
  • • Led Linux-based AWS application hosting, improving system performance by 20%
  • • Automated cloud resource management using Python scripts, reducing errors by 25%
  • • Implemented automated testing pipelines with Jenkins, ensuring 100% code coverage
  • • Set up ECS using CDK and CloudFormation, managed PaaS and serverless functions
  • • Handled S3 lifecycle management, logging, and monitoring setup
  • • Integrated health solutions with third-party systems using Direct Connect
  • • Collaborated with cross-functional teams to solve complex problems and drive innovation

Senior DevOps Engineer

Doctor Care Anywhere • March 2021 - December 2021
  • • Managed and optimised Azure Kubernetes platforms, implementing security best practices to achieve a 99.95% compliance rate
  • • Orchestrated a major platform rollout on Azure Cloud using CI/CD pipelines, boosting user engagement by 40%
  • • Developed and maintained CI/CD pipelines for Azure and AWS, reducing deployment time by 30% and improving operational reliability
  • • Set up Azure Kubernetes Service (AKS) with VNET integration and managed Azure DevOps pipelines
  • • Utilised Helm, Flux, and ArgoCD for deployment management
  • • Documented and managed release lifecycles using Jira and Confluence
  • • Provided strategic input to C-level executives on technology and process improvements

Site Reliability Engineer

Rank Group • March 2020 - March 2021
  • • Implemented CI/CD pipelines and automated testing, boosting deployment frequency and reliability
  • • Collaborated closely with product teams to maintain platform stability and updates, contributing to a seamless user experience
  • • Set up Dynatrace for logging and monitoring
  • • Managed Jenkins pipeline deployments into Docker Swarm clusters within a secure AWS deployment environment
  • • Handled pricing and negotiations with suppliers

DevOps Engineer

Adjoint Inc. • August 2019 - March 2020
  • • Orchestrated CI/CD processes using GKE, Docker, and GitOps, streamlining deployment workflows
  • • Containerised platforms to enhance scalability and maintainability
  • • Participated in cross-functional team meetings to align development and operational goals

Customer Support Engineer

OpenAsset • January 2018 - August 2019
  • • Resolved complex IT and digital asset management issues, providing high-quality customer support
  • • Created technical documentation and proof of concepts, driving product improvements

System Analyst

Indivior PLC • March 2016 - January 2018
  • • Managed Windows applications, MDM, and OS deployment, ensuring seamless operation and user support
  • • Assisted in software installations, updates, and troubleshooting
  • • Provided user training and support for IT systems
  • • Collaborated with other IT teams to ensure infrastructure stability

IT Analyst

SC Johnson Ltd. • August 2015 - February 2016
  • • Managed Windows applications, Mobile Device Management (MDM), and OS deployment, ensuring seamless operation and user support
  • • Provided IT support for hardware and software issues, including troubleshooting, installations, and updates
  • • Assisted in the implementation of new IT projects and system upgrades
  • • Worked with internal teams to improve IT service quality and efficiency

Areas of Expertise

Cloud Platforms

AWSAzureGCPKubernetesDocker

Leadership & Strategy

Technical Team LeadershipAgile/Scrum ImplementationEngineering Culture DevelopmentStakeholder ManagementStrategic PlanningProcess OptimizationCross-functional CollaborationTechnical MentorshipTeam BuildingChange Management

DevOps & DevSecOps Methodologies

DevOps ImplementationDevSecOps FrameworksContinuous Integration/DeliveryInfrastructure as CodeGitOps Methodology12-Factor App PrinciplesMicroservices ArchitectureContainer OrchestrationSecurity by DesignShift-Left SecurityZero Trust ArchitectureConfiguration ManagementImmutable InfrastructureBlue-Green DeploymentsCanary ReleasesFeature Flags

AIOps & MLOps

AIOps ImplementationMLOps PipelinesMachine Learning OperationsModel Deployment AutomationAI/ML InfrastructureData Pipeline OrchestrationModel Monitoring & ObservabilityFeature Store ManagementExperiment TrackingA/B Testing FrameworksAutomated Model RetrainingML Model Governance

DORA Metrics & Performance Management

DORA Metrics ImplementationDeployment Frequency OptimisationLead Time ReductionMean Time to RecoveryChange Failure Rate AnalysisPerformance EngineeringReliability EngineeringChaos EngineeringLoad Testing & BenchmarkingCapacity PlanningService Level IndicatorsError Budget Management

Project Management & Agile Leadership

Agile TransformationScrum Master CertificationSprint Planning & FacilitationProduct Backlog ManagementKanban ImplementationLean MethodologiesSAFe FrameworkOKRs & KPI DevelopmentRisk ManagementStakeholder ManagementProgramme ManagementPortfolio Management

Consulting & Management Expertise

Technical ConsultingManagement ConsultingDigital TransformationBusiness Process Re-engineeringOrganisational Change ManagementExecutive AdvisoryTechnology StrategyArchitecture GovernanceVendor ManagementContract NegotiationDue DiligenceM&A Technical Assessment

Team Development & Mentoring

Technical MentoringCareer Development CoachingLeadership DevelopmentSkills AssessmentTraining Programme DesignWorkshop FacilitationKnowledge TransferSuccession PlanningPerformance Management1:1 CoachingTeam BuildingCulture Development

DevOps Tools

JenkinsGitLab CI/CDAzure DevOpsGitHub ActionsArgoCDTerraformAnsibleCircleCIVagrantPacker

Security & Monitoring

IAMZero TrustCloudWatchPrometheusGrafanaELK StackDatadogSplunkDynatrace

Programming & Scripting Languages

PythonJavaScriptBashPowerShell

Development Frameworks

MERN Stack (MongoDB, Express.js, React, Node.js)

Education

Cybersecurity: Managing Risk in the Information Age

Harvard University

November 2017 - July 2018 • Gained knowledge in managing cybersecurity risks and implementing industry-standard practices.

Certifications

Current

  • Azure Solutions Architect Expert

    Microsoft (2024)

  • Microsoft Certified: DevOps Engineer Expert

    Microsoft (2024)

  • Microsoft Certified: Azure Administrator Associate

    Microsoft (2024)

  • AWS Certified Solutions Architect – Associate

    Amazon Web Services (2023)

  • HashiCorp Certified: Terraform Associate

    HashiCorp (2022)

  • Microsoft Certified: Azure AI Fundamentals

    Microsoft (2022)

Throughout my career, I've been passionate about pushing the boundaries of what's possible in DevSecOps and cloud engineering. Whether it's designing scalable systems, optimising performance, or navigating complex security requirements, I thrive on tackling tough challenges and delivering innovative solutions. Currently pursuing advanced security certifications to further enhance my expertise in cloud security and DevSecOps practices.

Copyright © 2025 • Ayodele Ajayi - an experienced leader in technology